alert udp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"ET P2P Kazaa over UDP"; content:"KaZaA"; nocase; threshold:type threshold, track by_src,count 10, seconds 60; reference:url,www.kazaa.com/us/index.htm; classtype:policy-violation; sid:2001796; rev:5; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2019_07_26;)